Home / 2,833.40-4,251.14-1,191

Finding the Fourth Proportional to 2,833.40, 4,251.14 and 1,191

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Solution

The fourth proportional to 2,833.40, 4,251.14 and 1,191 is: 1,786.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.40 : 4,251.14 = 1,191 : x
  2. Step 2: Convert to fraction form
    2,833.40/4,251.14 = 1,191/x
  3. Step 3: Cross multiply
    2,833.40x = 4,251.14 × 1,191
  4. Step 4: Simplify right side
    2,833.40x = 5,063,107.74
  5. Step 5: Solve for x
    x = 5,063,107.74/2,833.40
  6. Step 6: Final answer
    x = 1,786.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.